Spring water nitrate content as indicator of hydrological response to agricultural fertilization (Osona region, NE Spain). Toward Sustainable Groundwater in Agriculture: An International Conference Linking Science and Policy. San Francisco, Juny 15-17, 2010

Spring water nitrate content as indicator of hydrological response to agricultural fertilization (Osona region, NE Spain). Toward Sustainable Groundwater in Agriculture: An International Conference Linking Science and Policy. San Francisco, Juny 15-17, 2010